Reset light High

Potterton Reset light Fault Code

Also written as RESETLIGHT — same fault.

The Potterton Reset light fault code means: your boiler has stopped working for safety reasons and needs a manual restart because it either failed to spark or the water pressure is too low.. It appears on 2 Potterton models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Indicated in fault finding as a condition where the boiler fails to operate; requires checking system pressure is above 1 bar, setting Boiler switch to 'Standby', depressing reset button for 10 seconds, releasing and setting Boiler switch to 'On'.
Typical repair cost £0-120 (including labour)

DIY fix possible

Check the pressure gauge and ensure it is between 1 and 1.5 barTurn the main Boiler switch to the 'Standby' positionPress and hold the reset button for 10 seconds, then release itTurn the Boiler switch back to the 'On' position

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Potterton models that show the Reset light fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Potterton Reset light fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026